Add changes

CHANGES.md

@@ -1,4 +1,9 @@
 # Changelog
+- 2.6.6:
+  - Fix tabbed bordeless frames and add more examples, #123, #126;
+  - Add feedback to pressed buttons, #133;
+  - Change future warning to pending deprecation for developers, #125 in v2.x;
+  - Fix hover in qtabwidget, #128;
 - 2.6.5:
   - Fix borderless widgets inside QTabWidget, #123
   - Fix palette table inside CSS file, header using the last column
@@ -28,7 +33,7 @@
   - Fix slider disabled and enhance size
   - Fix the wrong upload of style.qss - sorry
   - Fix almost all widgets backgrounds, and other not previously covered widgets with new style
-  - New palette color, almost whole new qss file, simplify configuration, partially #112, #101, #109, 
+  - New palette color, almost whole new qss file, simplify configuration, partially #112, #101, #109,
   - Add changes made by other people in the new style - merge does not work there #93, #92, #102
   - Update README with Qt.py and PySide 2 information #110, #107, #83
   - Update __init__ info